function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Altuna, Álvaro', 5],
    ['Baron-Szabo, Rosemarie C.', 15],
    ['Cairns, S. D.', 43],
    ['Cairns, Stephen D. & Häussermann, Verena & Försterra, Günter', 1],
    ['Chaix, Christian & Martin, Jean-Paul Saint', 2],
    ['Chakraborty, Kajal & Dhara, Shubhajit', 2],
    ['Cheng, Yu-Rong & Liu, Shang-Yin Vanson & Dai, Chang-Feng', 2],
    ['Fassbender, Nico & Stefanoudis, Paris V', 3],
    ['Filander, Zoleka N. & Kitahara, Marcelo V. & Cairns, Stephen D.', 41],
    ['Lam, Katherine & Morton, Brian & Hodgson, Paul', 12],
    ['Liao, Lawrence M. & Belleza, Dominic Franco C.', 1],
    ['Moseley, Henry Nottidge', 2],
    ['Picciani, Natasha & Pires, Débora O. & Silva, Hélio R.', 2],
    ['Wells, John W.', 5],
    ['Yiu, Sam King Fung & Chung, Sheena Suet-Wah & Qiu, Jian-Wen', 3],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=144)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);